نتایج جستجو برای: tidal level

تعداد نتایج: 1101806  

Journal: :Remote Sensing 2012
Nicholas J. Murray Stuart R. Phinn Robert S. Clemens Chris M. Roelfsema Richard A. Fuller

Tidal flats provide habitat for biodiversity, protection from storm surges and sea level rise, and a range of other ecosystem services. However, no simple method exists for mapping tidal flats over large (>1,000 km) extents, and consequently their global status and distribution remain poorly understood. Existing mapping methods are restricted to small areas with known tidal regimes because tida...

ژورنال: مهندسی دریا 2012
ضیائیان, فاطمه, کرمی خانیکی, علی,

Tidal behavior of esturies is more complicated than open seas. It arises from the effects of geometrical parameters. Also other parameter such as wave reflection from the end of estuaries, sieche, bed friction and coriolis forces cause the water level changes in the esturies to be several times as in the open sea. This paper evalutes the effects of gemetric parameters (such as length, wide and ...

2006
Ruoying He John L. Wilkin

[1] A high-resolution hybrid data assimilative (DA) modeling system is used to study barotropic tides and tidal dynamics on the southeast New England shelf. In situ observations include tidal harmonics of 5 major tidal constituents [M2, S2, N2, O1, and K1] analyzed from coastal sea level and bottom pressure gauges. The DA system consists of both forward and inverse models. The former is the thr...

راجی, حانیه, حدادزاده شوشتری , مریم , روانبخش , مجید , نرگسی , مسلم ,

   Background & Aims: Hyperventilation is the most common breathing pattern disorder. Several studies indicate that hyperventilation is common in asthmatic patients. There has been no study on prevalence of hyperventilation syndrome in Iran so far. This study aimed to evaluate the prevalence of hyperventilation syndrome in asthmatic patients. Materials & Methods: This cross-sectional study was ...

Nowadays, energy extraction from sea waves as a renewable energy source has been increasingly considered. In addition, the growing demand for energy as a result of development of industrial activities, air pollution caused by the use of fossil fuels and greenhouse problems caused a new challenge for humankind. Tidal energy is a type of energy that is derived from converting the tidal power of t...

2016
Nava M. Tabak Magdeline Laba Sacha Spector

Sea Level Rise (SLR) caused by climate change is impacting coastal wetlands around the globe. Due to their distinctive biophysical characteristics and unique plant communities, freshwater tidal wetlands are expected to exhibit a different response to SLR as compared with the better studied salt marshes. In this study we employed the Sea Level Affecting Marshes Model (SLAMM), which simulates reg...

2001
A. S. Trenhaile

A mathematical model was used to study the effect of glacially induced fluctuations in sea level on the formation of wave-cut terraces on tectonically mobile rock coasts. Two deep water wave sets were used to calculate breaker height and depth, which, along with surf zone width, bottom roughness, and the gradient of the submarine slope, dictated the force exerted at the shoreline. An erosional ...

Journal: :Academic emergency medicine : official journal of the Society for Academic Emergency Medicine 2007
Jeffrey D Ho Donald M Dawes Laura L Bultman Jenny L Thacker Lisa D Skinner Jennifer M Bahr Mark A Johnson James R Miner

BACKGROUND Conducted electrical weapons (CEWs) are used by law enforcement to subdue combative subjects. Occasionally, subjects will die after a CEW has been used on them. It is theorized that CEWs may contribute to these deaths by impairing respiration. OBJECTIVES To examine the respiratory effects of CEWs. METHODS Human volunteers received a 15-second application of electrical current fro...

2017
Grazia Todeschini

The number of distributed resources for renewable energy installed worldwide has been increasing rapidly in the last decade, and the great majority of these installations consist of solar panels and wind turbines. Other renewable sources of energy are not exploited to the same level: for instance, tidal energy is still a minute portion of the global energy capacity, in spite of the large amount...

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